diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
index 873fb00528..7a2ab12115 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
@@ -1201,9 +1201,19 @@ void SCH_SEXPR_PLUGIN::saveBusAlias( std::shared_ptr<BUS_ALIAS> aAlias, int aNes
 {
     wxCHECK_RET( aAlias != nullptr, "BUS_ALIAS* is NULL" );
 
+    wxString members;
+
+    for( const wxString& member : aAlias->Members() )
+    {
+        if( !members.IsEmpty() )
+            members += wxS( " " );
+
+        members += m_out->Quotew( member );
+    }
+
     m_out->Print( aNestLevel, "(bus_alias %s (members %s))\n",
                   m_out->Quotew( aAlias->GetName() ).c_str(),
-                  TO_UTF8( boost::algorithm::join( aAlias->Members(), " " ) ) );
+                  TO_UTF8( members ) );
 }